refactor of money utils with new money2 package

frontend/pshared/lib/provider/ledger.dart

@@ -15,6 +15,7 @@ import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/ledger.dart';
 import 'package:pshared/utils/exception.dart';
 
+
 class LedgerAccountsProvider with ChangeNotifier {
   final LedgerService _service;
   OrganizationsProvider? _organizations;
@@ -179,7 +180,7 @@ class LedgerAccountsProvider with ChangeNotifier {
 
   Future<void> create({
     required Describable describable,
-    required Currency currency,
+    required CurrencyCode currency,
     String? ownerRef,
   }) async {
     final org = _organizations;